What’s Vulnerable › Vulnerabilities
CVE-2026-4430: Heap Buffer Overflow in AgileEngine
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-07 · updated 2026-06-17
- Weakness: CWE-787
Description
Out-of-bounds write vulnerability in The Document Foundation LibreOffice via crafted OOXML documents with mismatched encryption salt parameters. This issue affects LibreOffice: from 26.2 before 26.2.3, from 25.8 before 25.8.7.
Affected products
- The Document Foundation LibreOffice: from 25.8.0.0 before 25.8.7.0; from 26.2.0.0 before 26.2.3.0 — fixed in 25.8.7.0, 26.2.3.0
How to fix
Upgrade to a fixed version: The Document Foundation LibreOffice 25.8.7.0, 26.2.3.0. Check the vendor advisory for mitigations.
References
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